//
//  BMKCircle+color.m
//  AirQuality
//
//  Created by Po on 15/5/13.
//  Copyright (c) 2015年 Po. All rights reserved.
//

#import "BMKPointAnnotation+color.h"
#import <objc/runtime.h>
@implementation BMKPointAnnotation (color)
static char * airColorKey;

- (void)setAirRankColor:(UIColor *)color
{
    objc_setAssociatedObject(self, &airColorKey, color, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
}

- (UIColor *)airRankColor
{
    return objc_getAssociatedObject(self, &airColorKey);;
}
@end
